.cesium-baseLayerPicker-selected {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.cesium-baseLayerPicker-dropDown {
    display: block;
    position: absolute;
    -moz-box-sizing: content-box;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    top: auto;
    right: 0;
    width: 320px; /* Includes space needed for scrollbar */
    max-height: 500px;
    margin-top: 5px;
    background-color: rgba(38, 38, 38, 0.75);
    border: 1px solid #444;
    padding: 6px;
    overflow: auto;
    border-radius: 10px;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transform: translate(0, -20%);
    -moz-transform: translate(0, -20%);
    transform: translate(0, -20%);
    visibility: hidden;
    opacity: 0;
    -webkit-transition: visibility 0s 0.2s, opacity 0.2s ease-in, -webkit-transform 0.2s ease-in;
    -moz-transition: visibility 0s 0.2s, opacity 0.2s ease-in, -moz-transform 0.2s ease-in;
    transition: visibility 0s 0.2s, opacity 0.2s ease-in, transform 0.2s ease-in;
}

.cesium-baseLayerPicker-dropDown-visible {
    -webkit-transform: translate(0, 0);
    -moz-transform: translate(0, 0);
    transform: translate(0, 0);
    visibility: visible;
    opacity: 1;
    -webkit-transition: opacity 0.2s ease-out, -webkit-transform 0.2s ease-out;
    -moz-transition: opacity 0.2s ease-out, -moz-transform 0.2s ease-out;
    transition: opacity 0.2s ease-out, transform 0.2s ease-out;
}

.cesium-baseLayerPicker-sectionTitle {
    display: block;
    font-family: sans-serif;
    font-size: 16pt;
    text-align: left;
    color: #edffff;
    border-bottom: 1px solid #888;
    margin-bottom: 4px;
}

.cesium-baseLayerPicker-choices {
    display: block;
    position: relative;
    top: auto;
    right: 0;
}

.cesium-baseLayerPicker-item {
    display: inline-block;
    vertical-align: top;
    margin: 2px 5px;
    width: 64px;
    text-align: center;
    cursor: pointer;
}

.cesium-baseLayerPicker-itemLabel {
    display: block;
    font-family: sans-serif;
    font-size: 8pt;
    text-align: center;
    vertical-align: middle;
    color: #edffff;
    cursor: pointer;
    word-wrap: break-word;
}

.cesium-baseLayerPicker-item:hover .cesium-baseLayerPicker-itemLabel, .cesium-baseLayerPicker-item:focus .cesium-baseLayerPicker-itemLabel {
    text-decoration: underline;
}

.cesium-baseLayerPicker-itemIcon {
    display: inline-block;
    position: relative;
    width: inherit;
    height: auto;
    background-size: 100% 100%;
    border: solid 1px #444;
    border-radius: 9px;
    color: #edffff;
    margin: 0;
    padding: 0;
    cursor: pointer;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.cesium-baseLayerPicker-item:hover .cesium-baseLayerPicker-itemIcon {
    border-color: #fff;
    box-shadow: 0 0 8px #fff, 0 0 8px #fff;
}

.cesium-baseLayerPicker-selectedItem .cesium-baseLayerPicker-itemLabel {
    color: rgb(189, 236, 248);
}

.cesium-baseLayerPicker-selectedItem .cesium-baseLayerPicker-itemIcon {
    border: double 4px rgb(189, 236, 248);
}